Factory GM ECM calibration and full aftermarket EFI support for all domestic platforms. Street tunes, dyno pulls, race builds, and expert build consulting — Buzzard dials it in.
From mild street builds to full race calibrations. Factory ECM or aftermarket — we cover it.
Full road-based calibration. Fuel, spark, idle, and throttle response locked in for real-world driving and long-term reliability.
Wideband-guided, load-bearing pulls with precise table edits. Full dyno sheet provided. Ideal for modified or high-output builds.
Boost control, launch control, flat-shift, flex fuel, and custom strategies for track or strip. No compromises.
Can't make the trip? Send your data logs and we'll build your calibration remotely with full revision support.
Added a cam, changed boost targets, or swapped injectors? We'll update your existing tune fast and clean.
E85, E30, or full flex sensor integration and calibration. Max power on ethanol with safe fallback tables.
Don't waste money on the wrong parts. Get a plan that actually makes sense for your goals, budget, and platform before you spend a dime.
Whether you're starting from scratch or trying to sort out a combo that isn't performing, Buzzard will review your goals and give you a straight answer on what to build and what to skip.
Cam selection, cylinder head flow matching, intake pairing, and fueling strategy for 550–650whp on pump gas.
Blower vs turbo tradeoffs, fuel system sizing, injector scaling, and ECU strategy for 700–900whp goals.
Cam specs, VVT delete decisions, top-end combo advice, and bolt-on vs built bottom end guidance.
Best ROI parts combos for any domestic platform. Skip the hype, pick what actually moves the needle.
We calibrate GM vehicles on the factory ECM. Running an aftermarket ECU? We support all domestic platforms regardless of make.
Full calibration on the stock GM ECM — no standalone required. Covers daily drivers through built motors on the factory computer.
Running a standalone ECU? We support all domestic makes — GM, Ford, Mopar, and more — across all major aftermarket systems.
U.S. Marine veteran owned and operated. The same discipline and attention to detail from the Corps goes into every calibration that leaves this shop.
Every calibration built from real wideband and sensor data. No canned maps, no copy-paste tunes.
We know when a factory ECM is the right call and when you need a standalone. No upselling — just the right tool for the job.
Most in-person tunes are same-day. Remote tunes turned around in 48 hours or less.
Your tune file is yours. Every session includes a written summary of all changes made.
Tell us about your build and we'll follow up within 24 hours with pricing and availability.
We'll review your build and be in touch within 24 hours with pricing and next steps.